<?php
/**
 * ToolsLoginForm class.
 */
class ToolsLoginForm extends CFormModel
{
	public $email;
	public $password;
	public $password_repeat;
	public $rememberMe;

	private $_identity;

	/**
	 * Declares the validation rules.
	 * The rules state that username and password are required,
	 * and password needs to be authenticated.
	 */
	public function rules()
	{
		return array(
			// email and password are required
			array('email, password', 'required', 'message'=>BUtils::T('cannot_be_blank_msg')),
			array('email', 'email', 'allowEmpty'=>false, 'checkMX'=>false, 'message'=>BUtils::T('email_address_error_msg')),
			// rememberMe needs to be a boolean
			array('rememberMe', 'boolean', 'on'=>'login'),
			array('password', 'authenticate', 'on'=>'login'),
		);
	}

	/**
	 * Declares attribute labels.
	 */
	public function attributeLabels()
	{
		return array(
			'email' => BUtils::T('email_address_lbl'),
			'password' => BUtils::T('password_lbl'),
			'rememberMe' => BUtils::T('remember_next_time_lbl'),
		);
	}

	/**
	 * Authenticates the password.
	 * This is the 'authenticate' validator as declared in rules().
	 */
	public function authenticate($attribute, $params) {
		if (!$this->hasErrors()) {
			$this->_identity = new ToolsUserIdentity($this->email, $this->password);
			$this->_identity->authenticate();
			switch($this->_identity->errorCode) {
				case ToolsUserIdentity::ERROR_NONE:
					break;
				default:
					$this->addError('password', 'Incorrect email or password!');
					break;
			}
		}
	}

	/**
	 * Logs in the user using the given username and password in the model.
	 * @return boolean whether login is successful
	 */
	public function login()
	{
		if ($this->_identity === null) {
			$this->_identity = new ToolsUserIdentity($this->email, $this->password);
			$this->_identity->authenticate();
		}
		if ($this->_identity->errorCode === ToolsUserIdentity::ERROR_NONE) {
			$duration = $this->rememberMe ? 3600*24*30 : 0; // 30 days
			Yii::app()->user->login($this->_identity, $duration);
			return true;
		} else {
			return false;
		}
	}
}
